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Stanford prison experiment
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===Recruitment and selection=== [[File:SPE1971-newspaper-ad cropped.jpg|thumb|Newspaper clipping of recruitment advertisement|alt=Photo of newspaper clipping reading: Male college students needed for psychological study of prison life. $15 per day for 1β2 weeks beginning Aug 15. For further information & applications, come to Room 248, Jordan Hall, Stanford U.]] After Zimbardo received approval from the university to perform the experiment, study participants were recruited using an advertisement in the "help wanted" section of the ''Palo Alto Times'' and ''The Stanford Daily'' newspapers in August 1971: {{blockquote|text=Male college students needed for psychological study of prison life. $15 per day for 1β2 weeks beginning Aug. 14. For further information and applications, come to Room 248, Jordan Hall, Stanford U.}}[[File:SPE1971-screening_applicants.jpg|thumb|Screening applicants|alt=Photo of a seminar room with a large table. Eight white male people are sitting at the table filling out papers spread out on the table. Another white male is standing at the side observing them.|left]] 75 men applied, and, after screening assessments and interviews, 24 were selected to participate in a two-week prison simulation.<ref name="Haney Banks Zimbardo 1973" /> The applicants were predominantly white, middle-class, and appeared to be stable psychologically and healthy.<ref name="Haney Banks Zimbardo 1973" /> The group of subjects was selected intentionally to exclude those with criminal backgrounds, psychological impairments, or medical problems.<ref name="Haney Banks Zimbardo 1973" /> On a random basis, half of the subjects were assigned the role of guard (nine plus three potential substitutes), and half were assigned to the role of prisoner (also nine plus three potential substitutes).<ref name="Haney Banks Zimbardo 1973" /> They agreed to participate for a 7- to 14-day period for $15 per day (roughly equivalent to $116.18 {{as of|alt=in 2025|2025}}<!-- Is a citation really needed for this? I don't think this usually has warranted a citation on other articles. Edit: Removed C template. Be bold like ~~~~JayCubby -->).<ref name="Haney Banks Zimbardo 1973">{{cite journal |last1=Haney |first1=C. |last2=Banks |first2= C. |last3=Zimbardo |first3=P. |title=Interpersonal Dynamics in a simulated prison |journal=International Journal of Criminology and Penology |date=1973 |volume=1 |issue=1 |pages=69β77 |doi=10.21236/AD0751041 |pmid= |access-date= |language=en |s2cid=143041401 |s2cid-access=free |issn= |pmc= |oclc= |bibcode= |id=[[PsycNET]] [https://psycnet.apa.org/record/1974-32677-001 1974-32677-001] {{NCJ|64810}}}}</ref> {{Clear}}
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